[3.11.y.z extended stable] Patch "mac80211: fix IBSS join by initializing last_scan_completed" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    mac80211: fix IBSS join by initializing last_scan_completed

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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>From b4a6fa6269304174cc6a2f1e93bc1e6b4cf70798 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Krzysztof=20Ha=C5=82asa?= <khalasa at piap.pl>
Date: Mon, 26 May 2014 14:14:46 +0200
Subject: [PATCH 01/41] mac80211: fix IBSS join by initializing
 last_scan_completed
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit c7d37a66e345df2fdf1aa7b2c9a6d3d53846ca5b upstream.

Without this fix, freshly rebooted Linux creates a new IBSS
instead of joining an existing one. Only when jiffies counter
overflows after 5 minutes the IBSS can be successfully joined.

Signed-off-by: Krzysztof Hałasa <khalasa at piap.pl>
[edit commit message slightly]
Signed-off-by: Johannes Berg <johannes.berg at intel.com>
[ luis: backported to 3.11: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 net/mac80211/ibss.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 2d45643c964e..97a4b5b9d506 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1055,6 +1055,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
 	sdata->u.ibss.privacy = params->privacy;
 	sdata->u.ibss.control_port = params->control_port;
 	sdata->u.ibss.basic_rates = params->basic_rates;
+	sdata->u.ibss.last_scan_completed = jiffies;
 	memcpy(sdata->vif.bss_conf.mcast_rate, params->mcast_rate,
 	       sizeof(params->mcast_rate));

--
1.9.1